Source data found1. WWW Wikipedia, 12-08-2014: (Hugo Alexander Koch (9 March 1870, Delft - 3 March 1928, Düsseldorf) was a Dutch inventor who conceived of and patented an idea for machine encryption - the rotor machine, although he was not the first to do so. He is sometimes erroneously credited as the originator of the Enigma machine, although this has been shown to be the work of German engineer Arthur Scherbius) http://en.wikipedia.org/wiki/Hugo_Koch